Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Help your child celebrate the summer and the sun by making a sandy seascape.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Discover whether a metal will expand under hot water.

In this project, waves of vibrations are experimented with using water in glasses.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This project investigates the affect of storage temperature on microwave popcorn.